Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Martin de Oscos, Spain, where sunny days can lead to unexpected sunburns and long-term skin health issues. With a Csb climate that features mild summers and comparatively high UV exposure, knowing the daily UV levels can help you plan sun-safe activities, especially during peak hours when indexes reach as high as 10. By staying informed about UV risks, you can enjoy the beautiful outdoors while taking the necessary precautions to protect your skin from harmful ultraviolet rays. So, whether you're exploring the lush landscapes or basking in the sun, awareness of the UV Index is key to enjoying a safe and healthy experience in this charming locale.
As the sun rises, the UV Index begins its gradual ascent, peaking at an impressive 10 between 2 PM and 3 PM. Starting at a mild 1 at 7 AM and 8 AM, the index climbs steadily, hitting 3 by 10 AM and reaching 5 by 11 AM. The afternoon sun brings the strongest rays, with a 7 at noon, then soaring to 9 at 1 PM. Caution is advised during this peak, as UV levels dip slowly in the late afternoon; at 4 PM, it drops to 9, followed by a gentle decline to a comfortable 3 by 7 PM. Remember to protect your skin during the intense midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 3 | moderate | 30 min |
The UV Index varies significantly throughout the year, with high-risk months identified from March to October where exposure categories reach high to extreme levels. The most intense UV radiation occurs in June with an index of 11, classified as extreme, resulting in a burn time of just 10 minutes. April, May, July, and August also present very high levels, so residents and visitors should take precautions during these months. It is advised to seek shade, wear protective clothing, and use sunscreen to mitigate risks, particularly during peak sun hours. As the year progresses, UV levels decline, with January and December showing low levels, making these months safer for outdoor activities. However, moderation and protection are key year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Barcelona UVI | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
| San Martin de Oscos | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 7 | 6 | 3 | 2 |
| Zaragoza UVI | 3 | 4 | 6 | 8 | 9 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |
| Valencia UVI | 3 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Madrid UVI | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |